How Many Observations Would Be Necessary for a Time Studies

question 21

Essay

How many observations would be necessary for a time studies analyst to be 99% confident that the average time is within ± .1 minutes of the true value,if the average time is 10.5 minutes and the standard deviation is 3 minutes?

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Definitions:

T-shirts

Casual garments made from fabric, typically short-sleeved and collarless, worn as informal wear or under clothing.

Rice

A cereal grain which is a staple food for a large part of the world's human population, especially in Asia.

World Price

The international market price of a good or service, influenced by global supply and demand conditions.

Domestic Supply

The total amount of goods and services provided by a country's own economy without importing from other countries.